ct-radar_
PricingDocs
search

api.chatgpt.com

Every SSL/TLS certificate ever issued for this name, indexed from public CT logs.

csv export pro
Filters
8 on page · 108 matched
total records
108
active · on this page
2
expired · on this page
6
unique issuers · on this page
5
issuers on this pageGoogle Trust2Microsoft2GoDaddy2Let's Encrypt1DigiCert1
domainissuervalidstatus
api.chatgpt.comcrt.sh
Google Trust
Google TrustNov 28, 2025→Feb 26, 2026expired 2mo ago
*.privacy-pass-issuer.api.chatgpt.comcrt.sh
Microsoft
MicrosoftNov 24, 2025→Feb 22, 2026expired 2mo ago
privacy-pass-issuer.api.chatgpt.comcrt.sh
Let's Encrypt
Let's EncryptNov 2, 2025→Jan 31, 2026expired 3mo ago
privacy-pass-issuer.api.chatgpt.comcrt.sh
GoDaddy
GoDaddyNov 3, 2025→Feb 1, 2026expired 3mo ago
api.chatgpt.comcrt.sh
Google Trust
Google TrustSep 30, 2025→Dec 29, 2025expired 4mo ago
privacy-pass-issuer.api.chatgpt.comcrt.sh
DigiCert
DigiCertJul 7, 2025→Oct 5, 2025expired 7mo ago
*.privacy-pass-issuer.api.chatgpt.comcrt.sh
GoDaddy
GoDaddyMar 1, 2026→May 30, 2026expires in 23d
*.privacy-pass-issuer.api.chatgpt.comcrt.sh
Microsoft
MicrosoftMar 1, 2026→May 30, 2026expires in 23d
showing 101–108 · 6/6
prev
Pipe results into your recon pipeline
# Python
$ pip install ct-radar
$ ct-radar api.chatgpt.com | httpx -silent
# Go
$ go install github.com/imfht/ct-radar-cli/cli@latest
$ ct-radar api.chatgpt.com | nuclei
Free tier: 100 searches/day · Pro $29/mo for 10,000/day

Related domains under .com

google.comyoutube.comgmail.comdrive.google.comfacebook.cominstagram.comwhatsapp.commessenger.comapple.comicloud.comitunes.apple.commicrosoft.com

About certificate history for api.chatgpt.com

This page lists every X.509 (SSL/TLS) certificate ever issued for api.chatgpt.com and its subdomains, as recorded in public Certificate Transparency (CT) logs. CT logs are an immutable, append-only record of every certificate issued by participating Certificate Authorities (CAs), as required by the major browsers since 2018.

Subdomain enumeration via CT logs is one of the highest-signal techniques in reconnaissance — every time a TLS certificate is issued, all Subject Alternative Names (SANs) on that certificate become public. Internal and forgotten subdomains regularly show up here days after they're set up.

To monitor api.chatgpt.com for newly-issued certificates in real-time (useful for detecting unauthorized issuance, phishing variants, or shadow IT) add it to your watchlist (Pro plan).